Orthomorpha tuberculifera sp. n., variety from Kaeng Khoi Figs 1921

Description.

Length 36 mm (♂), 36-37 mm (♀), width of midbody pro- and metazona 3.0 and 4.9 mm (♂), 3.5-3.7 and 5.2-5.5 mm (♀), respectively. Colour pattern same as in the type series of Orthomorpha tuberculifera sp. n., but coloration of alcohol material darker, blackish.

All other characters as in the typical Orthomorpha tuberculifera sp. n. (Figs 19-21), except as follows.

Paraterga less prominent, even midbody ones nearly not produced behind tergal margin (Fig. 19A-E) (Figs 1 K–M). Pattern of setigerous tubercles in caudal row on metatergum 19 sometimes as 4+3.